201880788056

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{25464277}}^1$

素因数の和:25465274

約数の個数: 16

約数和(自身を含む): 378908456640

約数和(自身を除く): 177027668584

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 25464277, 50928554, 101857108, 203714216, 25235098507, 50470197014, 100940394028, 201880788056]

約数ペア:

[(1, 201880788056), (2, 100940394028), (4, 50470197014), (8, 25235098507), (991, 203714216), (1982, 101857108), (3964, 50928554), (7928, 25464277)]